2005职称英语考试模拟试题3  词汇题  阅读判断 概括大意   阅读理解  补全短文  完型填空

第2部分：阅读判断：（每题1分，共7分）

阅读下面的短文，并请根据短文内容判断这些话是正确、错误还是未提到。

smoking

Since 1939,mumerous studies have been conducted to determine whether smoking is a health hazard. The trend of the evidence has been consistent and indicates that there is a serious health risk. Research teams have conducted studies that show beyond all reasonable doubt that tobacco smoking is associated with a shortened life expectancy.¹

Cigarette smoking is believed by most research workers in this field to be an important factor in the development of cancer of the lungs and cancer of the throat and is believed to be related to cancer of some other organs of the body. Male cigarette smokers have a higher death rate from heart disease than non-smoking male s. Female smokers are thought to be less affected because they do not breathe in the smoke so deeply.

Apart from statistics , it might be helpful to look at what smoking tobacco does to the human body . Smoke is a mixture of gases, vaporized chemicals , minute particles of ash and other solids. There is also nicotine, which is powerful poison, and black tar. As smoke is breathed in , all those components form deposits on the membranes of the lungs. One point of concentration is where the air tube and bronchus divides. Most lung cancer begins at this point.

Filters and low tar tobacco²are claimed to make smoking to some extent safer, but they can only slightly reduce, not eliminate the hazards.

词汇：

vaporize     v. (使)蒸发     nicotine     n. 尼古丁

membrane   n. 膜               bronchus    n. 支气管

filter       n. 过滤嘴

注释：

1.       life expectancy : 预期寿命

2.       low tar tobacco: 焦油含量低的烟草

练习：

1.       It is easy to determine whether smoking is hazardous.

A. Right      B. Wrong     C. Not mentioned

2.       Smoking reduces one’s life expectancy.

     A. Right      B. Wrong     C. Not mentioned

3.       smoking may induce lung cancer.

     A. Right      B. Wrong     C. Not mentioned

4.       There is evidence that smoking is responsible for breast cancer.

    A. Right      B. Wrong     C. Not mentioned

5.       Male smokers have a lower death rate from heart disease than female smokers.

         A. Right      B. Wrong     C. Not mentioned

6.       Nicotine is poisonous.

    A. Right      B. Wrong     C. Not mentioned

7.       Filters and low tar tobacco make smoking safe.

    A. Right      B. Wrong     C. Not mentioned

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